A triangle has sides A, B, and C. Sides A and B have lengths of 12 and 5, respectively. The angle between A and C is #(11pi)/24# and the angle between B and C is # (5pi)/24#. What is the area of the triangle?

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Answer 1 · 2016-08-07T21:09:06

#=18#

This is a triangle where base #b=5#
Height #h=12 sin((5pi)/24)=12(0.6)=7.2#
Area#=1/2(b)(h)#
#=1/2(5)(7.2)#
#=36/2#
#=18#